Mapped size
270,723 acres
Fire year
2017
Perimeter dated
July 20, 2017
Other large fires in Montana that year
Source: National Interagency Fire Center, Interagency Fire Perimeter History. "Mapped size" is the GIS area of the recorded perimeter, which can differ from officially reported acreage. The state is inferred from the responsible unit code. This is a catalogue record, not a forecast.